package com.atguigu.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

@Service
public class PaymentService {
    public String paymentInof_OK(Integer id){
        return "线程池："+Thread.currentThread().getName()+"paymentInof_OK,id:"+id;
    }
    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandler",commandProperties = {@HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "3000")})
    public String paymentInof_TimeOut(Integer id){
        int time=1;
        try {
            TimeUnit.SECONDS.sleep(time);
        }catch (InterruptedException e){
            e.printStackTrace();
        }
        return "线程池："+Thread.currentThread().getName()+"paymentInof_TimeOut,id:"+id+"耗时"+time+"S";
    }
    public String paymentInfo_TimeOutHandler(Integer id){
        return "线程池："+Thread.currentThread().getName()+"系统繁忙,id:"+id+"\t"+"哭泣";
    }
    // 服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuiBreaker_fallback",commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"),
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"),
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"),
    })
    public String paymentCricuitBreaker(@PathVariable("id") Integer id){
        if(id<0){
            throw  new RuntimeException("*********id 不能负数");
        }
        String serialNumber = IdUtil.simpleUUID();
        return Thread.currentThread().getName()+"\t"+"调用成功，流水号："+serialNumber;
    }
    public String paymentCircuiBreaker_fallback(@PathVariable("id") Integer id){

        return "id 不能负数,请稍后再试...."+id;
    }
}
